Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472670 | Safety gear for an elevator | Naohiro Shiraishi, Seiji Watanabe, Mitsuhiro Yamazumi | 2022-10-18 |
| 11365090 | Elevator device | Masunori Shibata, Kunimitsu Kishimoto, Takuo Kugiya, Norikazu Ito | 2022-06-21 |